InputStream master = new ByteArrayInputStream(test); CloneStreamMaster model = new CloneStreamMaster(master); CloneInputStream clone1 = model.getClone(); byte[] buffer = new byte[50]; int lastRead = clone1.read(buffer); int pos = lastRead; while (lastRead != -1) { lastRead = clone1.read(buffer); pos += lastRead; } assertTrue(pos == 19999);
InputStream master = new ByteArrayInputStream(test); CloneStreamMaster model = new CloneStreamMaster(master); CloneInputStream clone1 = model.getClone(); byte[] buffer = new byte[30]; int lastRead = clone1.read(buffer); int pos = lastRead; while (lastRead == 30) { lastRead = clone1.read(buffer); pos += lastRead; } assertTrue(pos == 20000);
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/core/src/test/java/org/columba/core/io/CloneInputStreamTest.java File path: /columba-1.4-src/core/src/test/java/org/columba/core/io/CloneInputStreamTest.java
Method name: void testEOFMulti1() Method name: void testEOFMulti2()
Number of AST nodes: 10 Number of AST nodes: 10
1
InputStream master = new ByteArrayInputStream(test);
1
InputStream master = new ByteArrayInputStream(test);
2
        CloneStreamMaster model = new CloneStreamMaster(master);
2
        CloneStreamMaster model = new CloneStreamMaster(master);
3
        CloneInputStream clone1 = model.getClone();
3
        CloneInputStream clone1 = model.getClone();
4
        byte[] buffer = new byte[50];
4
        byte[] buffer = new byte[30];
5
        int lastRead = clone1.read(buffer);
5
        int lastRead = clone1.read(buffer);
6
        int pos = lastRead;
6
        int pos = lastRead;
7
        while (lastRead != -1) {
7
        while (lastRead == 30) {
8
            lastRead = clone1.read(buffer);
8
            lastRead = clone1.read(buffer);
9
            pos += lastRead;
9
            pos += lastRead;
10
        }
10
        }
11
        assertTrue(pos == 19999);
11
        assertTrue(pos == 20000);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are declared in the same class
Number of node comparisons28
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    InputStream master = new ByteArrayInputStream(test);
    1
    InputStream master = new ByteArrayInputStream(test);
    2
    CloneStreamMaster model = new CloneStreamMaster(master);
    2
    CloneStreamMaster model = new CloneStreamMaster(master);
    3
    CloneInputStream clone1 = model.getClone();
    3
    CloneInputStream clone1 = model.getClone();
    4
    byte[] buffer = new byte[50];
    4
    byte[] buffer = new byte[50];
    4
    byte[] buffer = new byte[30];
    Differences
    Expression1Expression2Difference
    5030LITERAL_VALUE_MISMATCH
    4
    byte[] buffer = new byte[30];
    5
    int lastRead = clone1.read(buffer);
    5
    int lastRead = clone1.read(buffer);
    6
    int pos = lastRead;
    6
    int pos = lastRead;
    7
    while (lastRead != -1)
    7
    while (lastRead != -1)
    7
    while (lastRead == 30)
    Differences
    Expression1Expression2Difference
    -130TYPE_COMPATIBLE_REPLACEMENT
    !===OPERATOR_MISMATCH
    Preondition Violations
    Expression lastRead != -1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression lastRead == 30 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7
    while (lastRead == 30)
    8
    lastRead = clone1.read(buffer);
    8
    lastRead = clone1.read(buffer);
    9
    pos += lastRead;
    9
    pos += lastRead;
    10
    assertTrue(pos == 19999);
    10
    assertTrue(pos == 19999);
    10
    assertTrue(pos == 20000);
    Differences
    Expression1Expression2Difference
    1999920000LITERAL_VALUE_MISMATCH
    10
    assertTrue(pos == 20000);
    Precondition Violations (2)
    Row Violation
    1Expression lastRead != -1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression lastRead == 30 cannot be parameterized, because it has dependencies to/from statements that will be extracted